<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>file upload</title>
</head>
<body>
    <form action="http://localhost:8080/file/upload" method="post" enctype="multipart/form-data">
        <input type="file" name="file" value=""><br/>
        <input type="submit" name="submit" value="上传"><br/>
    </form>
</body>
</html>